Professor of Hydraulics, Electrohydraulics, Proportional Hydraulics, and Problem Solving in Hydraulic Systems.

SENAI - Nova Friburgo - Brazil. National Oilwell Varco - NOV, Macaé, Brazil Miral, Abu Dhabi, UAE.

MY PROFESSIONAL EXPERIENCE

10/29/20256 min read

Teach electrical control principles as applied to hydraulic systems.
Explain and interpret electro-hydraulic diagrams and standardized symbols (ISO compliant).
Present the operation of solenoid valves, sensors, relays, and timers used in electro-hydraulic control.
Guide the assembly of electro-hydraulic circuits using training panels and real industrial components.
Demonstrate start-up, stop, sequencing, and motion reversal operations.
Conduct troubleshooting exercises and failure analysis on electro-hydraulic systems.
Evaluate student learning through theoretical assessments and hands-on performance tests in circuit control and diagnostics.

Assemble and commission pneumatic circuits for industrial and automation applications.
Identify, analyze, and correct basic pneumatic failures.
Apply safety and maintenance standards for compressed-air systems.

Introduce the fundamentals of proportional and servo-hydraulic valves, emphasizing control precision and feedback systems.
Explain the differences between ON/OFF and proportional valve operations, highlighting performance advantages.
Demonstrate the use of amplifiers, converters, and analog signal interfaces (±10 V, 4–20 mA) in control circuits.
Supervise the assembly and testing of proportional hydraulic circuits, using PLCs and simulation benches.
Teach configuration, calibration, and tuning of proportional valves for stable and accurate system responses.
Simulate system faults and diagnostic procedures, guiding students in identifying signal or actuator issues.
Evaluate students through dynamic response analysis, focusing on stability, precision, and feedback performance.

Apply proportional control techniques to manage pressure, flow, and actuator position in hydraulic systems.
Configure, tune, and test proportional valves in real or simulated industrial applications.
Analyze and interpret the dynamic behavior of servo-hydraulic systems, ensuring performance optimization.

Deliver theoretical and practical lessons on hydraulic fundamentals and system operation.
Explain the structure, function, and interaction of components such as pumps, motors, valves, filters, and actuators.
Teach interpretation of hydraulic schematics and functional diagrams, emphasizing energy flow and pressure control logic.
Demonstrate diagnostic techniques using hydraulic test benches, gauges, and flow/pressure measurement tools.
Conduct troubleshooting simulations covering issues like pressure loss, overheating, contamination, internal leakage, and valve sticking.
Guide participants through structured fault analysis using systematic flowcharts and diagnostic checklists.
Reinforce preventive and corrective maintenance procedures, including filtration, flushing, and contamination control.
Emphasize safety practices — LOTO (Lockout/Tagout), handling pressurized systems, and environmental responsibility.

Diagnose and repair hydraulic system faults using logical troubleshooting methods.
Conduct diagnostic testing and interpret results from system instruments and sensors.
Apply preventive maintenance techniques to extend equipment lifespan.
Operate safely in compliance with NOV and international hydraulic maintenance standards.

Maintenance technicians, mechanics, and field service personnel involved in the operation and maintenance of NOV hydraulic and industrial systems.

Prepare and deliver theoretical and practical lessons on hydraulic principles, including Pascal’s Law, energy transmission, and flow behavior.
Teach the identification, function, and symbols of components such as pumps, motors, directional, pressure, and flow control valves, accumulators, and filters.
Demonstrate the reading and interpretation of hydraulic diagrams in compliance with ISO 1219 standards.
Supervise the assembly, operation, and testing of hydraulic circuits on training benches.
Instruct students in the use of diagnostic instruments such as pressure gauges, flow meters, and thermometers.
Conduct and guide preventive maintenance and inspection procedures on hydraulic systems.
Evaluate students based on practical performance, schematic interpretation, and safety compliance.

Assemble, operate, and test basic and compound hydraulic circuits.
Identify, analyze, and correct common faults in hydraulic systems.
Apply technical safety standards and best maintenance practices during all hydraulic operations.